Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!tut.cis.ohio-state.edu!pt.cs.cmu.edu!andrew.cmu.edu!cfe+ From: cfe+@andrew.cmu.edu (Craig F. Everhart) Newsgroups: alt.folklore.computers Subject: Re: TECO on a DEC-System 10 Message-ID: Date: 16 Jan 90 18:05:34 GMT References: <1990Jan9.135247.894@gpu.utcs.utoronto.ca> <1215@kl-cs.UUCP> <4223@brazos.Rice.edu>, <6418@mentor.cc.purdue.edu> Organization: Information Technology Center, Carnegie Mellon, Pittsburgh, PA Lines: 12 In-Reply-To: <6418@mentor.cc.purdue.edu> Stopgap: written at Stanford AI Lab before 1971 or so SOS (Son of Stopgap): written there in about 1972 at CMU: BILOS (Brother-in-law of Stopgap): font (``character set'') editor for the XGP, written about 1973; a bitmap editor SILOS (Sister-in-law of Stopgap): font editor for the GDP vector displays, also written about 1973; thus, a vector-graphics font editor. All dates should be taken with grains of salt; I arrived at CMU in 1974 and all these things had already been created, and Lee Erman (and others) had already brought SOS to CMU from SAIL.